MY

Masanori Yoshikawa

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
NI Nidec: 2 patents #402 of 976Top 45%
HE Hitachi Vehicle Energy: 2 patents #41 of 95Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
Overall (All Time): #64,668 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
12394574 Capacitor array Takafumi Kusuyama, Hiroshi Kikuchi 2025-08-19
11437879 Bus-bar unit and motor Yusaku Yoshida, Hideo Fujiwara, Takashi Seguchi, Kosuke Ogawa 2022-09-06
11228220 Bus-bar unit and motor Yusaku Yoshida, Hideo Fujiwara, Takashi Seguchi, Kosuke Ogawa 2022-01-18
8885097 Cam frame structure, lens barrel structure, shake compensation device and imaging element unit Hironori Honsho 2014-11-11
8828607 Cathode material, cathode, and lithium ion secondary battery Hiroaki Konishi 2014-09-09
8435200 Ingrown nail correcting device 2013-05-07
8432477 Cam frame structure, lens barrel structure, shake compensation device and imaging element unit Hironori Honsho 2013-04-30
8263269 Lithium secondary battery Takefumi Okumura, Takahiro Yamaki, Yoshimi Yanai, Toyotaka Yuasa 2012-09-11
7862933 Lithium secondary battery Takefumi Okumura, Takahiro Yamaki, Yoshimi Yanai, Toyotaka Yuasa 2011-01-04
7268928 Photo scanner and image forming device Hideo Hirose 2007-09-11
7173645 Optical scan apparatus and color image formation apparatus Motonobu Yoshikawa, Yoshiharu Yamamoto, Daizaburo Matsuki, Hajime Yamamoto, Akinobu Okuda 2007-02-06
7149018 Optical scanning device and image forming apparatus provided with the same Hideo Hirose, Keisuke Fujimoto, Masaaki Nakano 2006-12-12
7123395 Optical scanner and image formation apparatus including the optical scanner Hideo Hirose, Masaaki Nakano, Ikuko Katoh, Keisuke Fujimoto 2006-10-17
7087892 Light scanner and image forming apparatus using the same Akinobu Okuda 2006-08-08
7067709 First aid adhesive plaster Takaaki Murata 2006-06-27
7023597 Optical scanning device, image reading device provided with this, image forming device, and photographing device Yoshiharu Yamamoto, Motonobu Yoshikawa, Daizaburo Matsuki, Hajime Yamamoto, Akinobu Okuda 2006-04-04
7012723 Optical scanning device and color image forming apparatus Hideo Hirose, Motonobu Yoshikawa, Yoshiharu Yamamoto 2006-03-14
6869713 Fuel cell, fuel cell generator, and equipment using the same Tomoichi Kamo, Syuichi Oohara, Kenji Yamaga, Jinichi Imahashi, Norio Yamada 2005-03-22
6546220 Image forming apparatus with plural color image forming units moveable into image forming position Kenji Asakura, Noboru Katakabe 2003-04-08
6477344 Image forming apparatus, transfer belt unit, cleaning device and cleaner unit used for image forming apparatus Kenji Asakura, Yasutaka Tamai, Noboru Katakabe, Masawo Otsuka 2002-11-05
6418296 Color image forming apparatus Masahiro Aizawa, Noboru Katakabe, Kenji Asakura 2002-07-09
6366756 Color image forming apparatus Masahiro Aizawa, Noboru Katakabe, Kenji Asakura 2002-04-02
6249663 Color image forming apparatus Masahiro Alzawa, Noboru Katakabe, Kenji Asakura 2001-06-19
6201943 Color image forming apparatus and belt unit and image forming unit thereof Kenji Asakura, Noboru Katakabe 2001-03-13
6185396 Color image forming apparatus Masahiro Aizawa, Noboru Katakabe, Kenji Asakura 2001-02-06